Pennsylvania · population 4,226
Lead pipes in Greencastle, PA
107 lead or galvanized lines to replace
Most of Greencastle (population 4,226) gets its water from Greencastle Area Water Auth. That system reported 10 lead and 97 galvanized-requiring-replacement service lines out of 2,483, with 1,171 more of unknown material.
4.3% of Greencastle Area Water Auth's service lines are lead or galvanized requiring replacement, higher than the Pennsylvania average (2.9%) and higher than the national average (3.1%).
- Lead 0.4%
- Galvanized (replace) 3.9%
- Unknown 47%
- Non-lead 49%
Latest lead test for Greencastle Area Water Auth (Jun 2025–Sep 2025): 5.2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Greencastle Area Water Auth.
Water systems serving Greencastle
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Greencastle Area Water AuthMain system | 10 | 97 | 1,171 | 4.3% |
| Green Grove Trailer CTServes nearby areas | 0 | 0 | 27 | 0% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Greencastle
The counts above cover the whole water system. To see whether your line is lead, look up your address on Greencastle Area Water Auth's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Waynesboro117 lead + galv. lines
- Mont Alto86 lead + galv. lines
- Mercersburg3 unknown
- Chambersburg38 lead + galv. lines
- McConnellsburg809 unknown
- Carroll Valley109 unknown
- Shippensburg44 lead + galv. lines
- Gettysburg3 lead + galv. lines
Check another water system
Questions
Does Greencastle, PA have lead pipes?
Yes. Greencastle Area Water Auth, which serves Greencastle, reported 10 lead and 97 galvanized-requiring-replacement service lines, plus 1,171 of unknown material.
Who supplies water to Greencastle?
EPA's service area maps place most of Greencastle in Greencastle Area Water Auth's service area (PWSID PA7280014). Green Grove Trailer CT also serves parts of the city or nearby areas.
How do I check whether my Greencastle home has a lead service line?
Search your address on Greencastle Area Water Auth's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Greencastle be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Greencastle Area Water Auth whether your street is scheduled and whether it covers the private side.